2728209300 has 72 divisors (see below), whose sum is σ = 8357965056. Its totient is φ = 684725760.

The previous prime is 2728209299. The next prime is 2728209359. The reversal of 2728209300 is 39028272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262372 + ... + 272571.

It is an arithmetic number, because the mean of its divisors is an integer number (116082848).

Almost surely, 2^2728209300 is an apocalyptic number.

2728209300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2728209300 is an abundant number, since it is smaller than the sum of its proper divisors (5629755756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2728209300 is a wasteful number, since it uses less digits than its factorization.

2728209300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534977 (or 534970 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2728209300 is about 52232.2630181768. The cubic root of 2728209300 is about 1397.3093389320.

The spelling of 2728209300 in words is "two billion, seven hundred twenty-eight million, two hundred nine thousand, three hundred".